Home / 64,708,390.39-89,299,782.48-38,269,408.18

Finding the Fourth Proportional to 64,708,390.39, 89,299,782.48 and 38,269,408.18

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Solution

The fourth proportional to 64,708,390.39, 89,299,782.48 and 38,269,408.18 is: 52,813,086.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,708,390.39 : 89,299,782.48 = 38,269,408.18 : x
  2. Step 2: Convert to fraction form
    64,708,390.39/89,299,782.48 = 38,269,408.18/x
  3. Step 3: Cross multiply
    64,708,390.39x = 89,299,782.48 × 38,269,408.18
  4. Step 4: Simplify right side
    64,708,390.39x = 3,417,449,826,112,333
  5. Step 5: Solve for x
    x = 3,417,449,826,112,333/64,708,390.39
  6. Step 6: Final answer
    x = 52,813,086.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.